🕵️ CBOE Global Markets, Inc. ($CBOE)
SEC insider & ownership activity, last 12 months · CIK 1374310 · every row links its SEC filing
Over the last 12 months insiders sold $3.3M with no open-market buying against it. Christopher A. Isaacson sold $1.2M through a 10b5-1 trading plan in 1 lots (Sep). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 5 sellers, $3.3M (5 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Christopher A. Isaacson | 0 | – | 1 | $1.2M | Sep 2, 2025 |
| Edward J. Fitzpatrick | 0 | – | 1 | $1.1M | Feb 18, 2026 |
| Janet P. Froetscher | 0 | – | 1 | $438K | May 18, 2026 |
| Matturri Alexander Jr. | 0 | – | 1 | $428K | Feb 18, 2026 |
| Wilkinson Allen | 0 | – | 1 | $73K | Feb 23, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 9.0% | 13G | Oct 17, 2025 | filing ↗ | |
| Vanguard Capital Management | 7.5% | 13G | Apr 29, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 5.0% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Janet P. Froetscher | $438K | May 18, 2026 | filing ↗ |
| Wilkinson Allen | $73K | Feb 23, 2026 | filing ↗ |
| Matturri Alexander Jr. | $428K | Feb 18, 2026 | filing ↗ |
| Edward J. Fitzpatrick | $1.1M | Feb 18, 2026 | filing ↗ |
| Catherine R. Clay | $557K | Nov 7, 2025 | filing ↗ |
| Howson Dave | $616K | Sep 23, 2025 | filing ↗ |
| Inzirillo Adam | $461K | Sep 8, 2025 | filing ↗ |
| Christopher A. Isaacson | $1.2M | Sep 2, 2025 | filing ↗ |
| Howson Dave | $1.8M | Aug 11, 2025 | filing ↗ |
| Howson Dave | $1.5M | Aug 4, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Material agreement (1.01) | Jul 24, 2026 | filing ↗ |
| New financial obligation (2.03) | Jul 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 24, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 23, 2026 | filing ↗ |
| New financial obligation (2.03) | Jun 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 23, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 14, 2026 | filing ↗ |
| Earnings (2.02) | May 1, 2026 | filing ↗ |
| Exit or disposal costs (2.05) | May 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 1, 2026 | filing ↗ |
| Earnings (2.02) | Feb 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 6, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 26, 2026 | filing ↗ |
| Other events (8.01) | Jan 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 26, 2026 | filing ↗ |
| Earnings (2.02) | Oct 31, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 31, 2025 | filing ↗ |
| Earnings (2.02) | Aug 1, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 1, 2025 | filing ↗ |